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3D nanofabrication of optics for interconnect and integrated optical microsystems
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Abstract
Irradiant is commercializing a novel process by which two-photon lithography is used to pattern materials within a 3D nanoporous scaffold to create 3D optical microsystems with large index contrast gradients at sub-wavelength resolution and arbitrary geometry. Using this process we have demonstrated a wide variety of optical components and systems, including a visible wavelength 3D Luneburg lens, low-loss optical interconnect, 90 degree bend total internal reflection prisms, 3D integrated ring-resonantors and polarizing beamsplitters, and more. We have developed centimeter-scale, free-standing, highly transparent nanoporous silica scaffolds within which two-photon polymerization can create refractive index gradients with contrast > 0.5. We believe that the combination of arbitrary 3D geometries, nanoscale resolution, and gradient control of refractive index with ∆n > 0.5 can enable the creation of fully integrated 3D optical microsystems, transforming optics and photonics in a manner similar to how planar lithography transformed electronics.
Speakers Bio
Amos Meeks is the co-founder and Chief Technology Officer at Irradiant Technologies, where he works to commercialize a cutting-edge process for patterning large refractive index gradients in complex 3D geometries with nanoscale resolution. In 2021 he received a Ph.D. in Applied Physics from Harvard University in the lab of Joanna Aizenberg, where he conducted research on light-responsive hydrogels as nonlinear optical materials. He received a Bachelor's degree in engineering from Olin College. His other experiences span a wide range of entrepreneurship, engineering, and materials science.
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